Finding the Fourth Proportional to 5,613,119.60, 7,745,526.61 and 4,143,809.62
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Solution
The fourth proportional to 5,613,119.60, 7,745,526.61 and 4,143,809.62 is: 5,718,030.25
Step by Step Solution
- Step 1: Write the proportion equation
5,613,119.60 : 7,745,526.61 = 4,143,809.62 : x - Step 2: Convert to fraction form
5,613,119.60/7,745,526.61 = 4,143,809.62/x - Step 3: Cross multiply
5,613,119.60x = 7,745,526.61 × 4,143,809.62 - Step 4: Simplify right side
5,613,119.60x = 32,095,987,678,483.99 - Step 5: Solve for x
x = 32,095,987,678,483.99/5,613,119.60 - Step 6: Final answer
x = 5,718,030.25
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.